Bootloops may as well be LG's calling card at this point, as the company has a long line of devices that have displayed that behavior at certain points. The G7 ThinQ may join that erudite list if recent reports are anything to go by, but it would appear that it mostly isn't even LG's fault this time out.
https://www.notebookcheck.net/There-have-been-multiple-reports-of-bootlooping-LG-G7-ThinQ-units.373521.0.html